{
	margin: 0px;
	padding: 0px;
}html,
body{
	/*选中html，body中的元素*/
	width: 100%;
	height: 100%;
}
div.header,
div.footer{
	/*选中主页的页眉和页脚*/
	color: white;
	background-color: gray;
	clear: left;
	/*清除左浮动*/
	text-align: center;
	height: 80px;
	line-height: 80px;
	/*行高与height属性值相同，目的是文字垂直方向居中*/
}
div.middle{
	background-color: white;
	height: 502px;
}
#excelButton {
	position: absolute;
	top: -80px;
	width: 300px;
	height: 50px;
	padding: 0px;
	right: 10%;
}
#excelInput{
	position: absolute;
	top: -80px;
	width: 300px;
	height: 50px;
	padding: 0px;
	right: 40%;
}
#excelOutput{
	position: absolute;
	top: -80px;
	width: 300px;
	height: 50px;
	padding: 0px;
	right: 70%;
}
/*表格的样式*/
table{
    width: 90%;
    border-collapse: collapse;
	table-layout: fixed;
    margin: 100px auto;
    border: 1px solid #888;
}
th,
td{
	border: 1px solid #888;
	padding: 20px 0px;
}
table tbody tr td:last-child{
	border: 1px solid #888;
	padding: 0px 0px;
	width: 30px !important;
}
th{
    background-color: skyblue;
}
tr:hover{
    cursor: default;
    background-color: pink;
}
a:hover{
    cursor: pointer;
}
